31.The human growth hormone, made by the pituitary gland, is secreted during sleep in higher concentrations than when awake.
(A) during sleep in higher concentrations than when awake
(B) when sleeping in higher concentrations than waking hours
(C) in higher concentrations during sleeping than waking
(D) in higher concentrations during sleep than during waking hours
(E) in higher concentrations when asleep than when awake
the key: D
比较考点：比较对象。during sleeping——during waking hours
32.The investor who is uncertain about the future is more likely to put money into blue-chip stocks or treasury bills than into gold.
(A) than into
(B) than they do
(C) than they are
(D) as into
(E) as
the key: A
比较考点：比较对象。into blue-chip stocks or treasury bills ——into gold
33.The man was always aware, sometimes proudly and sometimes resentfully, that he was a small-town Midwesterner who was thrust into a world that was dominated by wealthier, better-educated, and more polished people than him.
(A) who was thrust into a world that was dominated by wealthier, better-educated, and more polished people than him
(B) who had been thrust into a world that was dominated by more wealthy, educated, and polished people than him
(C) who had been thrust into a world dominated by wealthier, better-educated, and people more polished than he was
(D) thrust into a world dominated by more wealthy, educated, and polished people than him
(E) thrust into a world dominated by wealthier, better-educated, and more polished people than he
the key: E
34.The mistakes children make in learning to speak tell linguists more about how they learn language than the correct forms they use.
(A) how they learn language than
(B) how one learns language than
(C) how children learn language than do
(D) learning language than
(E) their language learning than do
the key: C
35.The question of whether to divest themselves of stock in companies that do business in South Africa is particularly troublesome for the nation's 116 private Black colleges because their economic bases are often more fragile than most predominantly White colleges.
(A) than
(B) than those of
(C) than is so of
(D) compared to
(E) compared to those of
the key: B
36.The report on the gross national product—the nation's total production of goods and services—showed that second-quarter inflation was somewhat lower than a previous estimation and the savings rate slightly higher.
(A) a previous estimation and the savings rate slightly higher
(B) a previous estimation and with a slightly higher savings rate
(C) a previous estimate and that the savings rate is slightly higher
(D) previously estimated and a slightly higher savings rate
(E) previously estimated and that the savings rate was slightly higher
the key: E
37.The rules that govern political contributions are less stringent in local elections than they are in national elections because they typically involve smaller amounts of money and present less opportunity for abuse.
(A) The rules that govern political contributions are less stringent in local elections than they are in national elections because they typically involve smaller amounts of money and present less opportunity for abuse.
(B) Because they typically involve smaller amounts of money and present less opportunity for abuse, the rules that govern political contributions are less stringent in local elections than the rules are less stringent in local elections than the rules are in national elections.
(C) The rules that govern political contributions are less stringent in local elections than national elections because they typically involve smaller amounts of money and present less opportunity for abuse.
(D) Because local elections typically involve smaller amounts of money and present less opportunity for abuse than national elections, the rules that govern local political contributions are less stringent than national contributions.
(E) The rules that govern political contributions are less stringent in local elections than they are in national elections because local elections typically involve smaller amounts of money and present less opportunity for abuse.
the key: E
38.The spraying of pesticides can be carefully planned, but accidents, weather conditions that could not be foreseen, and pilot errors often cause much larger deposits of spray than they had anticipated.
(A) weather conditions that could not be foreseen, and pilot errors often cause much larger deposits of spray than they had
(B) weather conditions that cannot be foreseen, and pilot errors often cause much larger deposits of spray than
(C) unforeseeable weather conditions, and pilot errors are the cause of much larger deposits of spray than they had
(D) weather conditions that are not foreseeable, and pilot errors often cause much larger deposits of spray than
(E) unforeseeable weather conditions, and pilot errors often cause much larger deposits of spray than they had
the key: B
39.The United States government employs a much larger proportion of women in trade negotiations than any government.
(A) a much larger proportion of women in trade negotiations than any
(B) a much larger proportion of women in trade negotiations than does any other
(C) much larger proportions of women in trade negotiations than has any
(D) proportions of women in trade negotiations that are much larger than any
(E) proportions of women in trade negotiations that are much larger than any other
the key: B
40.The unskilled workers at the Allenby plant realized that their hourly rate of $4.11 to $4.75 was better than many nearby factory wages.
(A) many nearby factory wages
(B) many wages in nearby factories
(C) what are offered by many nearby factories
(D) it is in many nearby factories
(E) that offered by many nearby factories
the key: E
